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leetcode plugin
// ==UserScript==
// @name leetcode
// @namespace http://redswallow.me/blog
// @version 0.1
// @description leetcode plugin
// @author redswallow
// @include https://oj.leetcode.com/problems/*
// @grant GM_addStyle
// @grant GM_setValue
// @grant GM_getValue
// @run-at document-start
// ==/UserScript==
// 延迟调用函数
var call = function (f) {
setTimeout.apply(this, [f].concat([0]).concat(Array.apply(Array, arguments).slice(1)));
};
// 设置项
var config = function () {
var config = {}, storageKey = 'leetcode_plugin_config';
var onputs = [];
// 写入到内存
var put = function (key, value) {
onputs.map(function (f) { f(key, value, config[key]); });
config[key] = value;
return value;
};
// 从内存读取
var get = function (key, value, type) {
if (!(key in config)) return value;
var val = config[key];
if (typeof val === 'undefined') return value;
if (type && (val === null || val.constructor !== type)) return value;
return val;
};
// 读取到内存
var read = function () {
try { config = JSON.parse(GM_getValue(storageKey, '{}')); }
catch (e) { config = {}; }
};
// 从内存写出
var write = function () {
GM_setValue(storageKey, JSON.stringify(config));
};
// 当内存配置被修改时调用
var onput = function (f) {
onputs.push(f);
};
// 初始化
read();
return {
'put': put,
'get': get,
'read': read,
'write': write,
'onput': onput,
};
};
var html = {
'acCheckbox' : '<div class="btn-group btn-group-sm" data-toggle="buttons"><label class="btn btn-default active"><input type="checkbox" checked>AC</label><label class="btn btn-default active"><input type="checkbox" checked>WA</label><label class="btn btn-default active"><input type="checkbox" checked>Undo</label></div>',
'difficultyCheckbox' : '<div class="btn-group btn-group-sm" data-toggle="buttons"><label class="btn btn-default active"><input type="checkbox" checked>Easy</label><label class="btn btn-default active"><input type="checkbox" checked>Medium</label><label class="btn btn-default active"><input type="checkbox" checked>Hard</label></div>',
'allBtn' : '<div class="btn btn-sm btn-default">All</div>',
'notAcBtn' : '<div class="btn btn-sm btn-default">!AC</div>',
'easyBtn' : '<div class="btn btn-sm btn-default">Easy</div>',
'mediumBtn' : '<div class="btn btn-sm btn-default">Medium</div>',
'hardBtn' : '<div class="btn btn-sm btn-default">Hard</div>'
}
function init() {
console.log("init");
// 加载用户配置
//config = config();
var filterDiv = document.createElement('div');
filterDiv.id = 'filter';
filterDiv.setAttribute('class','row table-centered col-md-12');
filterDiv.appendChild(document.createTextNode('Filter :'));
/*
var acCheckbox = document.createElement('span');
acCheckbox.setAttribute('class','table-centered col-md-3');
acCheckbox.innerHTML = html['acCheckbox'];
var difficultyCheckbox = document.createElement('span');
difficultyCheckbox.setAttribute('class','table-centered col-md-3');
difficultyCheckbox.innerHTML = html['difficultyCheckbox'];
filterDiv.appendChild(acCheckbox);
filterDiv.appendChild(difficultyCheckbox);
*/
// ac button
var allBtn = document.createElement('span');
allBtn.innerHTML = html['allBtn'];
allBtn.onclick = function() {
$('tbody tr').show();
}
filterDiv.appendChild(allBtn);
var notAcBtn = document.createElement('span');
notAcBtn.innerHTML = html['notAcBtn'];
notAcBtn.onclick = function() {
$('tbody tr').show();
$('.ac').parent().parent().hide();
}
filterDiv.appendChild(notAcBtn);
// end of not ac button
// difficulty filter
var easyProblems = $('tbody tr td:last-child[value=1]').parent();
var mediumProblems = $('tbody tr td:last-child[value=2]').parent();
var hardProblems = $('tbody tr td:last-child[value=3]').parent();
var easyProblemsBtn = document.createElement('span');
easyProblemsBtn.innerHTML = html['easyBtn'];
easyProblemsBtn.onclick = function() {
easyProblems.show();mediumProblems.hide();hardProblems.hide();
}
filterDiv.appendChild(easyProblemsBtn);
var mediumProblemsBtn = document.createElement('span');
mediumProblemsBtn.innerHTML = html['mediumBtn'];
mediumProblemsBtn.onclick = function() {
easyProblems.hide();mediumProblems.show();hardProblems.hide();
}
filterDiv.appendChild(mediumProblemsBtn);
var hardProblemsBtn = document.createElement('span');
hardProblemsBtn.innerHTML = html['hardBtn'];
hardProblemsBtn.onclick = function() {
easyProblems.hide();mediumProblems.hide();hardProblems.show();
}
filterDiv.appendChild(hardProblemsBtn);
// end of difficulty filter
var searchResultRowDiv = document.getElementById('searchResultRow');
searchResultRowDiv.parentNode.insertBefore(filterDiv, searchResultRowDiv);
}
if (document.body) call(init);
else document.addEventListener('DOMContentLoaded', init);
GM_addStyle("#filter span {padding-left:5px; padding-right:5px;}");